The starter and exit quiz of the lesson “Multiplying numbers in standard form”, from the unit “Standard form calculations” (Year 10 Maths) by Oak National Academy.
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Oak National Academy
12 questions
Standard form is when a number is written in the form A\times10^n. Which of the following is true for A?
Write 456\text{ } 000 in standard form.
Write 0.000\text{ } 023\text{ } 5 in standard form.
Simplify x^{-2}\times x^5.
Simplify x^{4}\div x^{-5}.
Simplify {x^8\times x^{-3}}\over x^4.
Standard form is when a number is written in the form A × 10^n, where 1 ≤ A < 10 and n is an ___.
Calculate (4.6\times10^4)\times(2\times10^3).
Calculate (3.8\times10^{-4})\times(2\times10).
Aisha correctly rewrites the calculation (2\times10^{-4})\times23\text{ } 000\times(2\times10^2) as an equivalent calculation using standard form. Which of these shows Aisha's calculation?
